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2026-04-07 - 21:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Apr 07, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7567216093,9sleep30-21swapper/307:06:033
7567216093,9sleep30-21swapper/307:06:033
7677212664,6sleep10-21swapper/107:07:291
7677212664,6sleep10-21swapper/107:07:281
77782119109,7sleep00-21swapper/007:08:440
77782119109,7sleep00-21swapper/007:08:440
77582114102,8sleep20-21swapper/207:08:302
77582114102,8sleep20-21swapper/207:08:292
218252660,0sleep10-21swapper/110:40:181
79712630,1sleep10-21swapper/109:30:171
180242580,1sleep318026-21kthreadcore08:40:173
87842520,0sleep10-21swapper/111:55:171
85682500,0sleep10-21swapper/107:10:131
805199281,26cyclictest0-21swapper/208:37:072
8051992723,2cyclictest18881-21idleruntime-cro08:15:002
805199271,25cyclictest0-21swapper/212:16:222
805199270,26cyclictest0-21swapper/210:49:112
804699270,26cyclictest0-21swapper/107:46:551
803899270,26cyclictest0-21swapper/009:55:350
803899270,26cyclictest0-21swapper/009:21:090
95182260,0sleep10-21swapper/111:25:181
805199260,25cyclictest0-21swapper/209:38:352
805199260,24cyclictest23343-21kthreadcore10:40:182
8038992618,7cyclictest749-21snmpd11:14:540
183112260,1sleep118315-21timerwakeupswit08:10:241
805199250,24cyclictest0-21swapper/210:34:112
8046992522,2cyclictest0-21swapper/110:11:471
8038992519,5cyclictest749-21snmpd07:32:460
8038992518,6cyclictest749-21snmpd09:08:020
8038992517,7cyclictest749-21snmpd10:37:180
8038992517,7cyclictest749-21snmpd07:28:490
803899250,24cyclictest0-21swapper/007:17:550
805199249,14cyclictest0-21swapper/212:05:122
8051992422,2cyclictest0-21swapper/207:36:582
8051992421,2cyclictest0-21swapper/208:56:522
805199241,22cyclictest0-21swapper/210:51:032
805199240,23cyclictest0-21swapper/209:41:532
8046992421,2cyclictest0-21swapper/110:59:211
8046992420,3cyclictest0-21swapper/110:21:381
8038992417,6cyclictest749-21snmpd08:46:220
8051992321,2cyclictest0-21swapper/208:18:072
8051992320,3cyclictest0-21swapper/208:04:192
8051992316,6cyclictest0-21swapper/212:11:412
805199231,3cyclictest0-21swapper/209:47:112
805199231,3cyclictest0-21swapper/209:28:082
805199230,22cyclictest0-21swapper/211:46:562
8046992321,2cyclictest0-21swapper/108:16:491
8046992320,2cyclictest0-21swapper/110:08:141
8046992320,2cyclictest0-21swapper/108:08:011
8046992319,3cyclictest0-21swapper/112:21:181
8046992319,3cyclictest0-21swapper/108:58:051
804699230,21cyclictest0-21swapper/107:40:031
8038992317,5cyclictest749-21snmpd08:16:330
8038992316,6cyclictest749-21snmpd11:49:490
8038992316,6cyclictest749-21snmpd10:52:460
8038992316,5cyclictest749-21snmpd09:01:500
8038992315,7cyclictest749-21snmpd11:03:000
8038992315,7cyclictest749-21snmpd10:20:050
8038992315,7cyclictest749-21snmpd08:40:550
803899230,11cyclictest14302-21sshd08:36:380
8051992220,2cyclictest0-21swapper/210:13:502
8051992217,4cyclictest0-21swapper/207:42:362
805199221,20cyclictest0-21swapper/210:07:202
805199220,21cyclictest0-21swapper/207:46:282
805199220,21cyclictest0-21swapper/207:14:012
8046992220,2cyclictest0-21swapper/108:24:551
8046992219,3cyclictest0-21swapper/110:28:031
8038992220,2cyclictest0-21swapper/009:25:140
8038992216,5cyclictest749-21snmpd11:56:190
8038992216,5cyclictest749-21snmpd08:27:430
8038992216,5cyclictest749-21snmpd07:36:090
8038992215,6cyclictest749-21snmpd09:31:560
8038992214,7cyclictest749-21snmpd10:17:050
8038992214,7cyclictest749-21snmpd09:40:020
805199212,17cyclictest0-21swapper/207:15:242
8051992117,3cyclictest0-21swapper/209:07:292
8051992117,3cyclictest0-21swapper/207:21:312
8051992115,6cyclictest0-21swapper/208:25:522
805199210,3cyclictest0-21swapper/211:28:392
805199210,20cyclictest0-21swapper/210:16:062
805199210,20cyclictest0-21swapper/209:12:352
805199210,16cyclictest0-21swapper/210:39:372
8046992117,3cyclictest0-21swapper/109:54:171
8046992117,3cyclictest0-21swapper/109:43:501
8046992117,3cyclictest0-21swapper/107:32:011
804699210,20cyclictest0-21swapper/110:01:451
804699210,20cyclictest0-21swapper/109:23:291
804699210,20cyclictest0-21swapper/107:56:031
804699210,15cyclictest0-21swapper/108:50:141
8038992118,2cyclictest749-21snmpd12:14:460
8038992118,2cyclictest749-21snmpd11:06:010
8038992118,2cyclictest749-21snmpd07:52:570
8038992116,3cyclictest749-21snmpd10:47:440
8038992115,5cyclictest749-21snmpd11:54:390
8038992115,5cyclictest749-21snmpd11:18:160
8038992115,5cyclictest749-21snmpd10:08:410
8038992115,5cyclictest749-21snmpd07:47:400
803899210,20cyclictest0-21swapper/010:02:290
803899210,1cyclictest0-21swapper/008:10:170
803899210,15cyclictest18427-21/usr/sbin/munin10:10:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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